re: toolchain/49434: gcc can not compile libasan with -O2 on vax

[matthew green <mrg%eterna.com.au@localhost>]

matthew green writes:
> >  This is most likely fixed by Maciej W. Rozycki in:
> >  https://github.com/gcc-mirror/gcc/commit/fbe575958c2ec322ac1703a14737a95e6036c4e0

i had a try at applying this, but there's been a re-arrangement
of the (define_insn "jbb<ccss>i<mode>" ... ) code, and my naive
attempts to merge this change doesn't build.

unfortunately, we'll have to wait for GCC 11 unless someone else
backports this fix for us.


.mrg.